cc: Move data to LayerTree from LayerTreeHost.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 6e676358bda2c06bf526634b9546a4e433908733..4a1fcc1e0ff196dd84ceb7ef2b5d7c2422547cc0 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -778,7 +778,7 @@ void RenderWidgetCompositor::registerViewportLayers(
     const blink::WebLayer* pageScaleLayer,
     const blink::WebLayer* innerViewportScrollLayer,
     const blink::WebLayer* outerViewportScrollLayer) {
-  layer_tree_host_->RegisterViewportLayers(
+  layer_tree_host_->GetLayerTree()->RegisterViewportLayers(
       // TODO(bokan): This check can probably be removed now, but it looks
       // like overscroll elasticity may still be NULL until VisualViewport
       // registers its layers.
@@ -786,7 +786,8 @@ void RenderWidgetCompositor::registerViewportLayers(
       // viewports.
       overscrollElasticityLayer
           ? static_cast<const cc_blink::WebLayerImpl*>(
-                overscrollElasticityLayer)->layer()
+                overscrollElasticityLayer)
+                ->layer()
           : NULL,
       static_cast<const cc_blink::WebLayerImpl*>(pageScaleLayer)->layer(),
       static_cast<const cc_blink::WebLayerImpl*>(innerViewportScrollLayer)
@@ -803,7 +804,7 @@ void RenderWidgetCompositor::registerViewportLayers(
 }
 
 void RenderWidgetCompositor::clearViewportLayers() {
-  layer_tree_host_->RegisterViewportLayers(
+  layer_tree_host_->GetLayerTree()->RegisterViewportLayers(
       scoped_refptr<cc::Layer>(), scoped_refptr<cc::Layer>(),
       scoped_refptr<cc::Layer>(), scoped_refptr<cc::Layer>());
 }